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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.38 by root, Fri Feb 23 21:52:21 2007 UTC vs.
Revision 1.122 by root, Sat Dec 31 06:18:02 2011 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	23	*/
24
25		24
26	#include <global.h>	25	#include <global.h>
27	#include <spells.h>	26	#include <spells.h>
28	#include <object.h>	27	#include <object.h>
29	#include <errno.h>	28	#include <errno.h>
…		…
35	/* This returns a random spell from 'ob'. If skill is set, then	34	/* This returns a random spell from 'ob'. If skill is set, then
36	* the spell must be of this skill, it can be NULL in which case all	35	* the spell must be of this skill, it can be NULL in which case all
37	* matching spells are used.	36	* matching spells are used.
38	*/	37	*/
39	object *	38	object *
40	find_random_spell_in_ob (object *ob, const char *skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
41	{	40	{
42	int k = 0, s;	41	int k = 0, s;
43	object *tmp;
44		42
45	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
46	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
47	k++;	45	k++;
48		46
49	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
50	if (!k)	48	if (!k)
51	return NULL;	49	return NULL;
52		50
53	s = RANDOM () % k;	51	s = rndm (k);
54		52
55	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
56	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
57	{
58	if (!s)	55	if (!s)
59	return tmp;	56	return tmp;
60	else	57	else
61	s--;	58	s--;
62	}	59
63	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
64	return NULL;	61	return 0;
65	}	62	}
66		63
67	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
68	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
69	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
…		…
79	dest->skill = spob->skill;	76	dest->skill = spob->skill;
80	else	77	else
81	dest->skill = caster->skill;	78	dest->skill = caster->skill;
82	}	79	}
83		80
84	/* init_spells: This should really be called check_spells, as that
85	* is what it does. It goes through the spells looking for any
86	* obvious errors. This was most useful in debugging when re-doing
87	* all the spells to catch simple errors. To use it all the time
88	* will result in it spitting out messages that aren't really errors.
89	*/
90	void
91	init_spells (void)
92	{
93	#ifdef SPELL_DEBUG
94	static int init_spells_done = 0;
95	int i;
96	archetype *at;
97
98	if (init_spells_done)
99	return;
100	LOG (llevDebug, "Checking spells...\n");
101
102	for (at = first_archetype; at; at = at->next)
103	{
104	if (at->clone.type == SPELL)
105	{
106	if (at->clone.skill)
107	{
108	for (i = 1; i < NUM_SKILLS; i++)
109	if (!strcmp (skill_names[i], at->clone.skill))
110	break;
111	if (i == NUM_SKILLS)
112	{
113	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
114	}
115	}
116	/* other_arch is already checked for in the loader */
117	}
118	}
119
120	i = 0;
121	while (spell_mapping[i])
122	{
123	if (!archetype::find (spell_mapping[i]))
124	{
125	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
126	}
127	i++;
128	}
129	LOG (llevDebug, "Checking spells completed.\n");
130	#endif
131	}
132
133	/* Dumps all the spells - now also dumps skill associated with the spell.
134	* not sure what this would be used for, as the data seems pretty
135	* minimal, but easy enough to keep around.
136	*/
137	void
138	dump_spells (void)
139	{
140	archetype *at;
141
142	for (at = first_archetype; at; at = at->next)
143	{
144	if (at->clone.type == SPELL)
145	{
146	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
147	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
148	}
149	}
150	}
151
152	/* pretty basic function - basically just takes	81	/* pretty basic function - basically just takes
153	* an object, sets the x,y, and calls insert_ob_in_map	82	* an object, sets the x,y, and calls insert_ob_in_map
154	*/	83	*/
155	void	84	void
156	spell_effect (object *spob, int x, int y, maptile *map, object *originator)	85	spell_effect (object *spob, int x, int y, maptile *map, object *originator)
157	{	86	{
158	if (spob->other_arch)	87	if (spob->other_arch)
159	map->insert (arch_to_object (spob->other_arch), x, y, originator);	88	map->insert (spob->other_arch->instance (), x, y, originator);
160	}	89	}
161		90
162	/*	91	static int
163	* This function takes a caster and spell and presents the	92	attuned_bonus (object *caster, object *spell, int level)
164	* effective level the caster needs to be to cast the spell.
165	* basically, it just adjusts the spell->level with attuned/repelled
166	* spellpaths. Was called path_level_mod.
167	*
168	* caster is person casting the spell.
169	* spell is the spell object.
170	* Returns modified level.
171	*/
172	int
173	min_casting_level (object *caster, object *spell)
174	{	93	{
175	int new_level;	94	// compute the attuned/repelled bonus
176		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
177	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
178	return 1;	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
179
180	new_level = spell->level
181	+ (caster->path_repelled & spell->path_attuned ? +2 : 0)	98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
182	+ (caster->path_attuned & spell->path_attuned ? -2 : 0);
183
184	return max (1, new_level);
185	}	99	}
186		100
187	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
188	* is being cast at.	102	* is being cast at.
189	* Note that I changed the repelled/attuned bonus to 2 from 5.
190	* This is because the new code compares casting_level against
191	* min_caster_level, so the difference is effectively 4
192	*/	103	*/
193	int	104	int
194	caster_level (object *caster, object *spell)	105	casting_level (object *caster, object *spell)
195	{	106	{
196	int level = caster->level;	107	int level = caster->level;
197
198	/* If this is a player, try to find the matching skill */
199	if (caster->type == PLAYER && spell->skill)
200	for (int i = 0; i < NUM_SKILLS; i++)
201	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
202	{
203	level = caster->contr->last_skill_ob[i]->level;
204	break;
205	}
206		108
207	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	109	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */
208	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
209	{	111	{
210	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	112	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
211	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
212		114
213	level = MIN (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
214	}	116	}
		117	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
		118	if (object *skill = caster->contr->find_skill (spell->skill))
		119	level = skill->level;
215		120
216	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
217	level += caster->path_repelled & spell->path_attuned ? -2 : 0;	122
218	level += caster->path_attuned & spell->path_attuned ? +2 : 0;	123	level += bonus;
		124
		125	// now scale the effective level from the startinglevel..100 range to 1..100
		126	if (level < 100)
		127	level = lerp (level, (int)spell->level, 100, 1, 100);
219		128
220	/* Always make this at least 1. If this is zero, we get divide by zero	129	/* Always make this at least 1. If this is zero, we get divide by zero
221	* errors in various places.	130	* errors in various places.
222	*/	131	*/
223	return max (level, 1);	132	return clamp (level, 1, settings.max_level);
224	}	133	}
225		134
226	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
227	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
228	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
232	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
233	* spell is the spell object.	142	* spell is the spell object.
234	* Note that it is now possible for a spell to cost both grace and	143	* Note that it is now possible for a spell to cost both grace and
235	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
236	*/	145	*/
237
238	sint16	146	sint16
239	SP_level_spellpoint_cost (object *caster, object *spell, int flags)	147	SP_level_spellpoint_cost (object *caster, object *spell, int flags)
240	{	148	{
241	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
242		150
243	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
244	{	152	{
245	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
246	{
247	sp = (int) (spell->stats.sp * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxsp)));	154	sp = spell->stats.sp * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxsp));
248	}
249	else	155	else
250	sp = spell->stats.sp;	156	sp = spell->stats.sp;
251		157
252	sp *= (int) PATH_SP_MULT (caster, spell);	158	sp *= (int) PATH_SP_MULT (caster, spell);
253	if (!sp && spell->stats.sp)	159	if (!sp && spell->stats.sp)
254	sp = 1;	160	sp = 1;
255		161
256	if (spell->stats.grace && spell->stats.maxgrace)	162	if (spell->stats.grace && spell->stats.maxgrace)
257	{
258	grace = (int) (spell->stats.grace * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxgrace)));	163	grace = spell->stats.grace * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxgrace));
259	}
260	else	164	else
261	grace = spell->stats.grace;	165	grace = spell->stats.grace;
262		166
263	grace *= (int) PATH_SP_MULT (caster, spell);	167	grace *= PATH_SP_MULT (caster, spell);
264	if (spell->stats.grace && !grace)	168	if (spell->stats.grace && !grace)
265	grace = 1;	169	grace = 1;
266	}	170	}
267	else	171	else
268	{	172	{
269	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	173	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
270	if (spell->stats.sp && !sp)	174	if (spell->stats.sp && !sp)
271	sp = 1;	175	sp = 1;
		176
272	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	177	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
273	if (spell->stats.grace && !grace)	178	if (spell->stats.grace && !grace)
274	grace = 1;	179	grace = 1;
275	}	180	}
		181
276	if (flags == SPELL_HIGHEST)	182	if (flags == SPELL_HIGHEST)
277	return MAX (sp, grace);	183	return max (sp, grace);
278	else if (flags == SPELL_GRACE)	184	else if (flags == SPELL_GRACE)
279	return grace;	185	return grace;
280	else if (flags == SPELL_MANA)	186	else if (flags == SPELL_MANA)
281	return sp;	187	return sp;
282	else	188	else
…		…
284	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	190	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
285	return 0;	191	return 0;
286	}	192	}
287	}	193	}
288		194
		195	/*
		196	* Return the effective casting level of the spell.
		197	* To make spells independent of their starting level, this function
		198	* scales the range spellstartlevel .. 100 into the range 1..100
		199	*/
		200	static int
		201	SP_casting_level (object *caster, object *spell)
		202	{
		203	return casting_level (caster, spell);
		204	}
289		205
290	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	206	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
291	* spob is the spell we are adjusting.	207	* spob is the spell we are adjusting.
292	*/	208	*/
293	int	209	int
294	SP_level_dam_adjust (object *caster, object *spob)	210	SP_level_dam_adjust (object *caster, object *spob)
295	{	211	{
296	int level = caster_level (caster, spob);
297	int adj = level - min_casting_level (caster, spob);
298
299	if (adj < 0)
300	adj = 0;
301	if (spob->dam_modifier)	212	if (!spob->dam_modifier)
302	adj /= spob->dam_modifier;
303	else
304	adj = 0;
305	return adj;	213	return 0;
		214
		215	return SP_casting_level (caster, spob) / spob->dam_modifier;
306	}	216	}
307		217
308	/* Adjust the strength of the spell based on level.	218	/* Adjust the strength of the spell based on level.
309	* This is basically the same as SP_level_dam_adjust above,	219	* This is basically the same as SP_level_dam_adjust above,
310	* but instead looks at the level_modifier value.	220	* but instead looks at the level_modifier value.
311	*/	221	*/
312	int	222	int
313	SP_level_duration_adjust (object *caster, object *spob)	223	SP_level_duration_adjust (object *caster, object *spob)
314	{	224	{
315	int level = caster_level (caster, spob);
316	int adj = level - min_casting_level (caster, spob);
317
318	if (adj < 0)
319	adj = 0;
320	if (spob->duration_modifier)	225	if (!spob->duration_modifier)
321	adj /= spob->duration_modifier;
322	else
323	adj = 0;
324
325	return adj;	226	return 0;
		227
		228	return SP_casting_level (caster, spob) / spob->duration_modifier;
326	}	229	}
327		230
328	/* Adjust the strength of the spell based on level.	231	/* Adjust the strength of the spell based on level.
329	* This is basically the same as SP_level_dam_adjust above,	232	* This is basically the same as SP_level_dam_adjust above,
330	* but instead looks at the level_modifier value.	233	* but instead looks at the level_modifier value.
331	*/	234	*/
332	int	235	int
333	SP_level_range_adjust (object *caster, object *spob)	236	SP_level_range_adjust (object *caster, object *spob)
334	{	237	{
335	int level = caster_level (caster, spob);
336	int adj = level - min_casting_level (caster, spob);
337
338	if (adj < 0)
339	adj = 0;
340	if (spob->range_modifier)	238	if (!spob->range_modifier)
341	adj /= spob->range_modifier;
342	else
343	adj = 0;
344
345	return adj;	239	return 0;
		240
		241	return SP_casting_level (caster, spob) / spob->range_modifier;
346	}	242	}
347		243
348	/* Checks to see if player knows the spell. If the name is the same	244	/* Checks to see if player knows the spell. If the name is the same
349	* as an existing spell, we presume they know it.	245	* as an existing spell, we presume they know it.
350	* returns 1 if they know the spell, 0 if they don't.	246	* returns 1 if they know the spell, 0 if they don't.
351	*/	247	*/
352	object *	248	object *
353	check_spell_known (object *op, const char *name)	249	check_spell_known (object *op, shstr_cmp name)
354	{	250	{
355	object *spop;	251	object *spop;
356		252
357	for (spop = op->inv; spop; spop = spop->below)	253	for (spop = op->inv; spop; spop = spop->below)
358	if (spop->type == SPELL && !strcmp (spop->name, name))	254	if (spop->type == SPELL && spop->name == name)
359	return spop;	255	return spop;
360		256
361	return NULL;	257	return 0;
362	}	258	}
363
364		259
365	/*	260	/*
366	* Look at object 'op' and see if they know the spell	261	* Look at object 'op' and see if they know the spell
367	* spname. This is pretty close to check_spell_known	262	* spname. This is pretty close to check_spell_known
368	* above, but it uses a looser matching mechanism.	263	* above, but it uses a looser matching mechanism.
369	* returns the matching spell object, or NULL.	264	* returns the matching spell object, or NULL.
370	* If we match multiple spells but don't get an	265	* If we match multiple spells but don't get an
371	* exact match, we also return NULL.	266	* exact match, we also return NULL.
372	*/	267	*/
373
374	object *	268	object *
375	lookup_spell_by_name (object *op, const char *spname)	269	lookup_spell_by_name (object *op, const char *spname)
376	{	270	{
377	object *spob1 = NULL, *spob2 = NULL, *spob;	271	object *spob1 = 0, *spob2 = 0;
378	int nummatch = 0;	272	int nummatch = 0;
379		273
380	if (spname == NULL)	274	if (!spname)
381	return NULL;	275	return 0;
382		276
383	/* Try to find the spell. We store the results in spob1	277	/* Try to find the spell. We store the results in spob1
384	* and spob2 - spob1 is only taking the length of	278	* and spob2 - spob1 is only taking the length of
385	* the past spname, spob2 uses the length of the spell name.	279	* the past spname, spob2 uses the length of the spell name.
386	*/	280	*/
387	for (spob = op->inv; spob; spob = spob->below)	281	for (object *spob = op->inv; spob; spob = spob->below)
388	{	282	{
389	if (spob->type == SPELL)	283	if (spob->type == SPELL)
390	{	284	{
		285	// TODO: WTF?
391	if (!strncmp (spob->name, spname, strlen (spname)))	286	if (!strncmp (spob->name, spname, strlen (spname)))
392	{	287	{
393	nummatch++;	288	nummatch++;
394	spob1 = spob;	289	spob1 = spob;
395	}	290	}
…		…
400	* fall into this category). It shouldn't be hard to	295	* fall into this category). It shouldn't be hard to
401	* make sure spell names don't overlap in that fashion.	296	* make sure spell names don't overlap in that fashion.
402	*/	297	*/
403	if (spob2)	298	if (spob2)
404	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);	299	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
		300
405	spob2 = spob;	301	spob2 = spob;
406	}	302	}
407	}	303	}
408	}	304	}
409	/* if we have best match, return it. Otherwise, if we have one match	305	/* if we have best match, return it. Otherwise, if we have one match
410	* on the loser match, return that, otehrwise null	306	* on the loser match, return that, otehrwise null
411	*/	307	*/
412	if (spob2)	308	if (spob2)
413	return spob2;	309	return spob2;
		310
414	if (spob1 && nummatch == 1)	311	if (spob1 && nummatch == 1)
415	return spob1;	312	return spob1;
		313
416	return NULL;	314	return NULL;
417	}	315	}
418		316
419	/* reflwall - decides weither the (spell-)object sp_op will	317	/* reflwall - decides weither the (spell-)object sp_op will
420	* be reflected from the given mapsquare. Returns 1 if true.	318	* be reflected from the given mapsquare. Returns 1 if true.
…		…
424	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
425	*/	323	*/
426	int	324	int
427	reflwall (maptile *m, int x, int y, object *sp_op)	325	reflwall (maptile *m, int x, int y, object *sp_op)
428	{	326	{
429	object *op;
430
431	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
432	return 0;	328	return 0;
		329
433	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	330	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
434	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	331	if (op->flag [FLAG_REFL_SPELL]
435	&& (!QUERY_FLAG (op, FLAG_ALIVE)	332	&& (!op->flag [FLAG_ALIVE]
436	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	333	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
437	return 1;	334	return 1;
438		335
439	return 0;	336	return 0;
440	}	337	}
…		…
459	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	356	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
460	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	357	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
461	dir = 0;	358	dir = 0;
462	}	359	}
463		360
		361	new_op->set_flag (FLAG_IDENTIFIED);
464	op->map->insert (new_op,	362	op->map->insert (new_op,
465	op->x + freearr_x[dir], op->y + freearr_y[dir],	363	op->x + freearr_x[dir], op->y + freearr_y[dir],
466	op,	364	op,
467	dir ? 0 : INS_BELOW_ORIGINATOR);	365	dir ? 0 : INS_BELOW_ORIGINATOR);
468		366
469	return dir;	367	return dir;
		368	}
		369
		370	static bool
		371	mergable_owner (object *o1, object *o2)
		372	{
		373	if (o1 == o2)
		374	return 1;
		375
		376	if (!o1 || !o2)
		377	return 0;
		378
		379	if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
		380	return 0;
		381
		382	if (o1->is_player () || o2->is_player ())
		383	return 0;
		384
		385	return 1;
470	}	386	}
471		387
472	/* Returns true if it is ok to put spell *op on the space/may provided.	388	/* Returns true if it is ok to put spell *op on the space/may provided.
473	* immune_stop is basically the attacktype of the spell (why	389	* immune_stop is basically the attacktype of the spell (why
474	* passed as a different value, not sure of). If immune_stop	390	* passed as a different value, not sure of). If immune_stop
475	* has the AT_MAGIC bit set, and there is a counterwall	391	* has the AT_MAGIC bit set, and there is a counterwall
476	* on the space, the object doesn't get placed. if immune stop	392	* on the space, the object doesn't get placed. if immune stop
477	* does not have AT_MAGIC, then counterwalls do not effect the spell.	393	* does not have AT_MAGIC, then counterwalls do not effect the spell.
478	*
479	*/	394	*/
480	int	395	int
481	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)	396	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
482	{	397	{
483	if (!xy_normalise (m, x, y))	398	if (!xy_normalise (m, x, y))
484	return 0;	399	return 0;
485		400
486	mapspace &ms = m->at (x, y);	401	mapspace &ms = m->at (x, y);
		402	ms.update ();
487		403
488	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))	404	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
489	return 0;	405	return 0;
490		406
		407	int max_effects = 5; // max. number of similar spells per mapspace
		408
491	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	409	for (object *tmp = ms.top; tmp; tmp = tmp->below)
492	{	410	{
493	/* If there is a counterspell on the space, and this	411	/* If there is a counterspell on the space, and this
494	* object is using magic, don't progress. I believe we could	412	* object is using magic, don't progress. I believe we could
495	* leave this out and let in progress, and other areas of the code	413	* leave this out and let in progress, and other areas of the code
496	* will then remove it, but that would seem to to use more	414	* will then remove it, but that would seem to to use more
497	* resources, and may not work as well if a player is standing	415	* resources, and may not work as well if a player is standing
498	* on top of a counterwall spell (may hit the player before being	416	* on top of a counterwall spell (may hit the player before being
499	* removed.) On the other hand, it may be more dramatic for the	417	* removed.) On the other hand, it may be more dramatic for the
500	* spell to actually hit the counterwall and be sucked up.	418	* spell to actually hit the counterwall and be sucked up.
501	*/	419	*/
502	if ((tmp->attacktype & AT_COUNTERSPELL) &&	420	if ((tmp->attacktype & AT_COUNTERSPELL)
503	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	421	&& !tmp->flag [FLAG_MONSTER]
504	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	422	&& (tmp->type != PLAYER)
		423	&& (tmp->type != WEAPON)
		424	&& (tmp->type != BOW)
		425	&& (tmp->type != ARROW)
		426	&& (tmp->type != GOLEM)
		427	&& !tmp->flag [FLAG_IS_FLOOR] // XXX:
		428	// we special case floor here because there
		429	// are sometimes spell effect floors
		430	// which are used to inflict damage
		431	// (and those shouldn't go away from
		432	// sanctuary) see also: permanent lava
		433	&& (immune_stop & AT_MAGIC))
505	return 0;	434	return 0;
506		435
507	/* This is to prevent 'out of control' spells. Basically, this
508	* limits one spell effect per space per spell. This is definately
509	* needed for performance reasons, and just for playability I believe.
510	* there are no such things as multispaced spells right now, so
511	* we don't need to worry about the head.
512	*/
513	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
514	return 0;
515
516	/*
517	* Combine similar spell effects into one spell effect. Needed for
518	* performance reasons with meteor swarm and the like, but also for
519	* playability reasons.
520	*/
521	if (tmp->arch == op->arch
522	&& tmp->type == op->type	436	if (tmp->type == op->type)
523	&& tmp->subtype == op->subtype
524	&& tmp->owner == op->owner
525	&& ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
526	{	437	{
527	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	438	if (tmp->subtype == op->subtype
528	tmp->range = MAX (tmp->range, op->range);	439	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
529	tmp->duration = MAX (tmp->duration, op->duration);	440	{
		441	/* This is to prevent 'out of control' spells. Basically, this
		442	* limits one spell effect per space per spell. This is definately
		443	* needed for performance reasons, and just for playability I believe.
		444	* there are no such things as multispaced spells right now, so
		445	* we don't need to worry about the head.
		446	*/
		447	if (tmp->stats.maxhp == op->stats.maxhp)
		448	return 0;
		449
		450	/*
		451	* Combine similar spell effects into one spell effect. Needed for
		452	* performance reasons with meteor swarm and the like, but also for
		453	* playability reasons.
		454	*/
		455	if (((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
		456	if (mergable_owner (tmp, op))
		457	{
		458	// if same owner, then combine, but reduce advantage of multiple spells
		459	max_it (tmp->stats.dam, op->stats.dam);
		460	max_it (tmp->range , op->range);
		461	max_it (tmp->duration , op->duration);
		462	return 0;
		463	}
		464	}
		465
		466	// if there are too many spell effects on this space,
		467	// then don't allow more of them, for performance reasons.
		468	if (tmp->type == SPELL_EFFECT
		469	&& !--max_effects)
530	return 0;	470	return 0;
531	}	471	}
532		472
533	/* Perhaps we should also put checks in for no magic and unholy	473	/* Perhaps we should also put checks in for no magic and unholy
534	* ground to prevent it from moving along?	474	* ground to prevent it from moving along?
535	*/	475	*/
…		…
547	* dir: direction to fire in.	487	* dir: direction to fire in.
548	* spell: spell that is being fired. It uses other_arch for the archetype	488	* spell: spell that is being fired. It uses other_arch for the archetype
549	* to fire.	489	* to fire.
550	* returns 0 on failure, 1 on success.	490	* returns 0 on failure, 1 on success.
551	*/	491	*/
552
553	int	492	int
554	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)	493	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
555	{	494	{
556	object *tmp;
557	int mflags;
558	maptile *m;
559
560	if (spell->other_arch == NULL)	495	if (!spell->other_arch)
561	return 0;	496	return 0;
562		497
563	m = op->map;	498	object *tmp = spell->other_arch->instance ();
564	mflags = get_map_flags (m, &m, x, y, &x, &y);
565	if (mflags & P_OUT_OF_MAP)
566	{
567	return 0;
568	}
569		499
570	tmp = arch_to_object (spell->other_arch);	500	if (!tmp)
571
572	if (tmp == NULL)
573	return 0;	501	return 0;
574
575	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
576	{
577	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
578	tmp->destroy ();
579	return 0;
580	}
581		502
582	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	503	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
583	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	504	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
584	/* code in time.c uses food for some things, duration for others */	505	/* code in time.c uses food for some things, duration for others */
585	tmp->stats.food = tmp->duration;	506	tmp->stats.food = tmp->duration;
586	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	507	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
587	tmp->attacktype = spell->attacktype;	508	tmp->attacktype = spell->attacktype;
588	tmp->x = x;
589	tmp->y = y;
590	tmp->direction = dir;	509	tmp->direction = dir;
591	if (op->owner != NULL)
592	tmp->set_owner (op);	510	tmp->set_owner (op);
593	else
594	tmp->set_owner (op);
595	tmp->level = caster_level (caster, spell);	511	tmp->level = casting_level (caster, spell);
596	set_spell_skill (op, caster, spell, tmp);	512	set_spell_skill (op, caster, spell, tmp);
597		513
598	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	514	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
599	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	515	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
600	{
601	if (!tailor_god_spell (tmp, op))	516	if (!tailor_god_spell (tmp, op))
602	return 0;	517	return 0;
603	}	518
604	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	519	if (tmp->flag [FLAG_IS_TURNABLE])
605	SET_ANIMATION (tmp, dir);	520	SET_ANIMATION (tmp, dir);
606		521
607	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))	522	if ((tmp = op->map->insert (tmp, x, y, op)))
608	move_spell_effect (tmp);	523	move_spell_effect (tmp);
609		524
610	return 1;	525	return 1;
611	}	526	}
612		527
…		…
617	****************************************************************************/	532	****************************************************************************/
618	void	533	void
619	regenerate_rod (object *rod)	534	regenerate_rod (object *rod)
620	{	535	{
621	if (rod->stats.hp < rod->stats.maxhp)	536	if (rod->stats.hp < rod->stats.maxhp)
622	{	537	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
623	rod->stats.hp += 1 + rod->stats.maxhp / 10;
624
625	if (rod->stats.hp > rod->stats.maxhp)
626	rod->stats.hp = rod->stats.maxhp;
627	}
628	}	538	}
629
630		539
631	void	540	void
632	drain_rod_charge (object *rod)	541	drain_rod_charge (object *rod)
633	{	542	{
634	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	543	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
…		…
653	{	562	{
654	tmp = op->owner;	563	tmp = op->owner;
655	/* If the owner does not exist, or is not a monster, than apply the spell	564	/* If the owner does not exist, or is not a monster, than apply the spell
656	* to the caster.	565	* to the caster.
657	*/	566	*/
658	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	567	if (!tmp || !tmp->flag [FLAG_MONSTER])
659	tmp = op;	568	tmp = op;
660	}	569	}
661	else	570	else
662	{	571	{
663	maptile *m = op->map;	572	maptile *m = op->map;
…		…
673	if (!tmp)	582	if (!tmp)
674	tmp = op->ms ().player ();	583	tmp = op->ms ().player ();
675		584
676	return tmp;	585	return tmp;
677	}	586	}
678
679
680		587
681	/* raytrace:	588	/* raytrace:
682	* spell_find_dir(map, x, y, exclude) will search first the center square	589	* spell_find_dir(map, x, y, exclude) will search first the center square
683	* then some close squares in the given map at the given coordinates for	590	* then some close squares in the given map at the given coordinates for
684	* live objects.	591	* live objects.
…		…
687	* monsters/generators only. If not, the spell will hunt players only.	594	* monsters/generators only. If not, the spell will hunt players only.
688	* It returns the direction toward the first/closest live object if it finds	595	* It returns the direction toward the first/closest live object if it finds
689	* any, otherwise -1.	596	* any, otherwise -1.
690	* note that exclude can be NULL, in which case all bets are off.	597	* note that exclude can be NULL, in which case all bets are off.
691	*/	598	*/
692
693	int	599	int
694	spell_find_dir (maptile *m, int x, int y, object *exclude)	600	spell_find_dir (maptile *m, int x, int y, object *exclude)
695	{	601	{
696	int i, max = SIZEOFFREE;	602	int i, max = SIZEOFFREE;
697	sint16 nx, ny;	603	sint16 nx, ny;
…		…
714	continue;	620	continue;
715		621
716	tmp = GET_MAP_OB (mp, nx, ny);	622	tmp = GET_MAP_OB (mp, nx, ny);
717		623
718	while (tmp != NULL && (((owner_type == PLAYER &&	624	while (tmp != NULL && (((owner_type == PLAYER &&
719	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||	625	!tmp->flag [FLAG_MONSTER] && !tmp->flag [FLAG_GENERATOR]) ||
720	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))	626	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))
721	tmp = tmp->above;	627	tmp = tmp->above;
722		628
723	if (tmp != NULL && can_see_monsterP (m, x, y, i))	629	if (tmp != NULL && can_see_monsterP (m, x, y, i))
724	return freedir[i];	630	return freedir[i];
725	}	631	}
726	return -1; /* flag for "keep going the way you were" */	632	return -1; /* flag for "keep going the way you were" */
727	}	633	}
728
729
730		634
731	/* put_a_monster: puts a monster named monstername near by	635	/* put_a_monster: puts a monster named monstername near by
732	* op. This creates the treasures for the monsters, and	636	* op. This creates the treasures for the monsters, and
733	* also deals with multipart monsters properly.	637	* also deals with multipart monsters properly.
734	*/	638	*/
735		639	static void
736	void
737	put_a_monster (object *op, const char *monstername)	640	put_a_monster (object *op, const char *monstername)
738	{	641	{
739	object *tmp, *head = NULL, *prev = NULL;	642	object *tmp, *head = NULL, *prev = NULL;
740	archetype *at;	643	archetype *at;
741	int dir;	644	int dir;
…		…
747		650
748	/* find a free square nearby	651	/* find a free square nearby
749	* first we check the closest square for free squares	652	* first we check the closest square for free squares
750	*/	653	*/
751		654
752	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	655	dir = find_first_free_spot (at, op->map, op->x, op->y);
753	if (dir != -1)	656	if (dir != -1)
754	{	657	{
755	/* This is basically grabbed for generate monster. Fixed 971225 to	658	/* This is basically grabbed for generate monster. Fixed 971225 to
756	* insert multipart monsters properly	659	* insert multipart monsters properly
757	*/	660	*/
		661	//TODO: use expand_tail + ...
758	while (at != NULL)	662	while (at != NULL)
759	{	663	{
760	tmp = arch_to_object (at);	664	tmp = at->instance ();
761	tmp->x = op->x + freearr_x[dir] + at->clone.x;	665	tmp->x = op->x + freearr_x[dir] + at->x;
762	tmp->y = op->y + freearr_y[dir] + at->clone.y;	666	tmp->y = op->y + freearr_y[dir] + at->y;
763	tmp->map = op->map;	667	tmp->map = op->map;
764	if (head)	668	if (head)
765	{	669	{
766	tmp->head = head;	670	tmp->head = head;
767	prev->more = tmp;	671	prev->more = tmp;
768	}	672	}
		673
769	if (!head)	674	if (!head)
770	head = tmp;	675	head = tmp;
		676
771	prev = tmp;	677	prev = tmp;
		678
772	at = at->more;	679	at = (archetype *)at->more;
773	}	680	}
774		681
775	if (head->randomitems)	682	if (head->randomitems)
776	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	683	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
777		684
778	insert_ob_in_map (head, op->map, op, 0);	685	insert_ob_in_map (head, op->map, op, 0);
779		686
780	/* thought it'd be cool to insert a burnout, too. */	687	/* thought it'd be cool to insert a burnout, too. */
781	op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op);	688	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
782	}	689	}
783	}	690	}
784		691
785	/* peterm: function which summons hostile monsters and	692	/* peterm: function which summons hostile monsters and
786	* places them in nearby squares.	693	* places them in nearby squares.
…		…
793	* Note that this is not used by any spells (summon evil monsters	700	* Note that this is not used by any spells (summon evil monsters
794	* use to call this, but best I can tell, that spell/ability was	701	* use to call this, but best I can tell, that spell/ability was
795	* never used. This is however used by various failures on the	702	* never used. This is however used by various failures on the
796	* players part (alchemy, reincarnation, etc)	703	* players part (alchemy, reincarnation, etc)
797	*/	704	*/
798
799	int	705	int
800	summon_hostile_monsters (object *op, int n, const char *monstername)	706	summon_hostile_monsters (object *op, int n, const char *monstername)
801	{	707	{
802	int i;	708	int i;
803		709
…		…
813	{	719	{
814	int attacktype;	720	int attacktype;
815	int face;	721	int face;
816	} ATTACKS[22] =	722	} ATTACKS[22] =
817	{	723	{
818	{
819	AT_PHYSICAL, 0},	724	{ AT_PHYSICAL, 0},
820	{
821	AT_PHYSICAL, 0}, /*face = explosion */	725	{ AT_PHYSICAL, 0}, /*face = explosion */
822	{
823	AT_PHYSICAL, 0},	726	{ AT_PHYSICAL, 0},
824	{
825	AT_MAGIC, 1},	727	{ AT_MAGIC, 1},
826	{
827	AT_MAGIC, 1}, /* face = last-burnout */	728	{ AT_MAGIC, 1}, /* face = last-burnout */
828	{
829	AT_MAGIC, 1},	729	{ AT_MAGIC, 1},
830	{
831	AT_FIRE, 2},	730	{ AT_FIRE, 2},
832	{
833	AT_FIRE, 2}, /* face = fire.... */	731	{ AT_FIRE, 2}, /* face = fire.... */
834	{
835	AT_FIRE, 2},	732	{ AT_FIRE, 2},
836	{
837	AT_ELECTRICITY, 3},	733	{ AT_ELECTRICITY, 3},
838	{
839	AT_ELECTRICITY, 3}, /* ball_lightning */	734	{ AT_ELECTRICITY, 3}, /* ball_lightning */
840	{
841	AT_ELECTRICITY, 3},	735	{ AT_ELECTRICITY, 3},
842	{
843	AT_COLD, 4},	736	{ AT_COLD, 4},
844	{
845	AT_COLD, 4}, /* face=icestorm */	737	{ AT_COLD, 4}, /* face=icestorm */
846	{
847	AT_COLD, 4},	738	{ AT_COLD, 4},
848	{
849	AT_CONFUSION, 5},	739	{ AT_CONFUSION, 5},
850	{
851	AT_POISON, 7},	740	{ AT_POISON, 7},
852	{
853	AT_POISON, 7}, /* face = acid sphere. generator */	741	{ AT_POISON, 7}, /* face = acid sphere. generator */
854	{
855	AT_POISON, 7}, /* poisoncloud face */	742	{ AT_POISON, 7}, /* poisoncloud face */
856	{
857	AT_SLOW, 8},	743	{ AT_SLOW, 8},
858	{
859	AT_PARALYZE, 9},	744	{ AT_PARALYZE, 9},
860	{
861	AT_FEAR, 10}};	745	{ AT_FEAR, 10},
862		746	};
863
864		747
865	/* shuffle_attack: peterm	748	/* shuffle_attack: peterm
866	* This routine shuffles the attack of op to one of the	749	* This routine shuffles the attack of op to one of the
867	* ones in the list. It does this at random. It also	750	* ones in the list. It does this at random. It also
868	* chooses a face appropriate to the attack that is	751	* chooses a face appropriate to the attack that is
…		…
891	{	774	{
892	SET_ANIMATION (op, ATTACKS[i].face);	775	SET_ANIMATION (op, ATTACKS[i].face);
893	}	776	}
894	}	777	}
895		778
896
897	/* prayer_failure: This is called when a player fails	779	/* prayer_failure: This is called when a player fails
898	* at casting a prayer.	780	* at casting a prayer.
899	* op is the player.	781	* op is the player.
900	* failure is basically how much grace they had.	782	* failure is basically how much grace they had.
901	* power is how much grace the spell would normally take to cast.	783	* power is how much grace the spell would normally take to cast.
902	*/	784	*/
903		785
904	void	786	#define HINT_GRACE " H<Make sure you always have enough grace points for your prayers.>"
		787
		788	static void
905	prayer_failure (object *op, int failure, int power)	789	prayer_failure (object *op, int failure, int power)
906	{	790	{
907	const char *godname;	791	const char *godname;
908	object *tmp;	792	object *tmp;
909		793
910	if (!strcmp ((godname = determine_god (op)), "none"))	794	if (!strcmp ((godname = determine_god (op)), "none"))
911	godname = "Your spirit";	795	godname = "Your spirit";
912		796
913	if (failure <= -20 && failure > -40) /* wonder */	797	if (failure <= -20 && failure > -40) /* wonder */
914	{	798	{
915	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);	799	op->failmsgf ("%s gives a sign to renew your faith." HINT_GRACE, godname);
916	tmp = get_archetype (SPELL_WONDER);	800	tmp = archetype::get (SPELL_WONDER);
917	cast_cone (op, op, 0, tmp);	801	cast_cone (op, op, 0, tmp);
918	tmp->destroy ();	802	tmp->destroy ();
919	}	803	}
920		804
921	else if (failure <= -40 && failure > -60) /* confusion */	805	else if (failure <= -40 && failure > -60) /* confusion */
922	{	806	{
923	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	807	op->failmsg ("Your diety touches your mind!" HINT_GRACE);
924	confuse_player (op, op, 99);	808	confuse_player (op, op, 99);
925	}	809	}
926	else if (failure <= -60 && failure > -150) /* paralysis */	810	else if (failure <= -60 && failure > -150) /* paralysis */
927	{	811	{
928	new_draw_info_format (NDI_UNIQUE, 0, op, "%s requires you to pray NOW.", godname);	812	op->failmsgf ("%s requires you to pray NOW. "
929	new_draw_info (NDI_UNIQUE, 0, op, "You comply, ignoring all else.");	813	"You comply, ignoring all else." HINT_GRACE,
		814	godname);
930	paralyze_player (op, op, 99);	815	paralyze_player (op, op, 99);
931	}	816	}
932	else if (failure <= -150) /* blast the immediate area */	817	else if (failure <= -150) /* blast the immediate area */
933	{	818	{
934	tmp = get_archetype (GOD_POWER);	819	tmp = archetype::get (GOD_POWER);
935	new_draw_info_format (NDI_UNIQUE, 0, op, "%s smites you!", godname);	820	op->failmsgf ("%s smites you!" HINT_GRACE, godname);
936	cast_magic_storm (op, tmp, power);	821	cast_magic_storm (op, tmp, power);
937	}	822	}
938	}	823	}
939		824
940	/*	825	/*
…		…
954	if (settings.spell_failure_effects == FALSE)	839	if (settings.spell_failure_effects == FALSE)
955	return;	840	return;
956		841
957	if (failure <= -20 && failure > -40) /* wonder */	842	if (failure <= -20 && failure > -40) /* wonder */
958	{	843	{
959	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	844	op->failmsg ("Your spell causes an unexpected effect.");
960	tmp = get_archetype (SPELL_WONDER);	845	tmp = archetype::get (SPELL_WONDER);
961	cast_cone (op, op, 0, tmp);	846	cast_cone (op, op, 0, tmp);
962	tmp->destroy ();	847	tmp->destroy ();
963	}	848	}
964		849
965	else if (failure <= -40 && failure > -60) /* confusion */	850	else if (failure <= -40 && failure > -60) /* confusion */
966	{	851	{
967	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");	852	op->failmsg ("Your magic recoils on you, making you confused!");
968	confuse_player (op, op, 99);	853	confuse_player (op, op, 99);
969	}	854	}
970	else if (failure <= -60 && failure > -80) /* paralysis */	855	else if (failure <= -60 && failure > -80) /* paralysis */
971	{	856	{
972	new_draw_info (NDI_UNIQUE, 0, op, "Your magic stuns you!");	857	op->failmsg ("Your magic stuns you!");
973	paralyze_player (op, op, 99);	858	paralyze_player (op, op, 99);
974	}	859	}
975	else if (failure <= -80) /* blast the immediate area */	860	else if (failure <= -80) /* blast the immediate area */
976	{	861	{
977	object *tmp;	862	object *tmp;
978		863
979	/* Safety check to make sure we don't get any mana storms in scorn */	864	/* Safety check to make sure we don't get any mana storms in scorn */
980	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)	865	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)
981	{	866	{
982	new_draw_info (NDI_UNIQUE, 0, op, "The magic warps and you are turned inside out!");	867	op->failmsg ("The magic warps and you are turned inside out!");
983	hit_player (op, 9998, op, AT_INTERNAL, 1);	868	hit_player (op, 9998, op, AT_INTERNAL, 1);
984		869
985	}	870	}
986	else	871	else
987	{	872	{
988	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	873	op->failmsg ("You lose control of the mana! The uncontrolled magic blasts you!");
989	tmp = get_archetype (LOOSE_MANA);	874	tmp = archetype::get (LOOSE_MANA);
990	tmp->level = skill->level;	875	tmp->level = skill->level;
991		876
992	/* increase the area of destruction a little for more powerful spells */	877	/* increase the area of destruction a little for more powerful spells */
993	tmp->range += isqrt (power);	878	tmp->range += isqrt (power);
994		879
…		…
1002	tmp->insert_at (op);	887	tmp->insert_at (op);
1003	}	888	}
1004	}	889	}
1005	}	890	}
1006		891
1007	int	892	static int
1008	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	893	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1009	{	894	{
1010	int success;
1011	player *pl;
1012	object *spell;
1013
1014	if (!spell_ob->other_arch)	895	if (!spell_ob->other_arch)
1015	{	896	{
1016	LOG (llevError, "cast_party_spell: empty other arch\n");	897	LOG (llevError, "cast_party_spell: empty other arch\n");
1017	return 0;	898	return 0;
1018	}	899	}
1019	spell = arch_to_object (spell_ob->other_arch);	900
		901	object *spell = spell_ob->other_arch->instance ();
1020		902
1021	/* Always cast spell on caster */	903	/* Always cast spell on caster */
1022	success = cast_spell (op, caster, dir, spell, stringarg);	904	int success = cast_spell (op, caster, dir, spell, spellparam);
1023		905
1024	if (caster->contr->party == NULL)	906	if (!op->contr || !op->contr->party)
1025	{	907	{
1026	spell->remove ();	908	spell->remove ();
1027	return success;	909	return success;
1028	}	910	}
		911
1029	for_all_players (pl)	912	for_all_players (pl)
1030	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	913	if ((pl->ob->contr->party == op->contr->party)
1031	{	914	&& on_same_map (pl->ob, op)
		915	&& pl->ob != op)
1032	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	916	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1033	}	917
1034	spell->remove ();	918	spell->remove ();
1035	return success;	919	return success;
1036	}	920	}
1037		921
1038	/* This is where the main dispatch when someone casts a spell.	922	/* This is where the main dispatch when someone casts a spell.
…		…
1043	* same as op.	927	* same as op.
1044	* dir is the direction to cast in. Note in some cases, if the spell	928	* dir is the direction to cast in. Note in some cases, if the spell
1045	* is self only, dir really doesn't make a difference.	929	* is self only, dir really doesn't make a difference.
1046	* spell_ob is the spell object that is being cast. From that,	930	* spell_ob is the spell object that is being cast. From that,
1047	* we can determine what to do.	931	* we can determine what to do.
1048	* stringarg is any options that are being used. It can be NULL. Almost	932	* spellparam is any options that are being used. It can be NULL. Almost
1049	* certainly, only players will set it. It is basically used as optional	933	* certainly, only players will set it. It is basically used as optional
1050	* parameters to a spell (eg, item to create, information for marking runes,	934	* parameters to a spell (eg, item to create, information for marking runes,
1051	* etc.	935	* etc.
1052	* returns 1 on successful cast, or 0 on error. These values should really	936	* returns 1 on successful cast, or 0 on error. These values should really
1053	* be swapped, so that 0 is successful, and non zero is failure, with a code	937	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
1060	*	944	*
1061	* if it is a player casting the spell (op->type == PLAYER, op == caster),	945	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1062	* this function will decrease the mana/grace appropriately. For other	946	* this function will decrease the mana/grace appropriately. For other
1063	* objects, the caller should do what it considers appropriate.	947	* objects, the caller should do what it considers appropriate.
1064	*/	948	*/
1065
1066	int	949	int
1067	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	950	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1068	{	951	{
1069	const char *godname;	952	const char *godname;
1070	int success = 0, mflags, cast_level = 0, old_shoottype;	953	int success = 0;
1071	object *skill = NULL;
1072		954
1073	old_shoottype = op->contr ? op->contr->shoottype : 0;	955	// make sure spells always take a while, so a) we don't flood the
		956	// user with messages and b) too many failures can be harmful (smiting).
		957	op->speed_left -= 4 * op->speed; // ~0.5s on failure
1074		958
1075	if (!spell_ob)	959	if (!spell_ob)
1076	{	960	{
1077	LOG (llevError, "cast_spell: null spell object passed\n");	961	LOG (llevError, "cast_spell: null spell object passed\n");
1078	return 0;	962	return 0;
…		…
1089	}	973	}
1090		974
1091	/* if caster is a spell casting object, this normally shouldn't be	975	/* if caster is a spell casting object, this normally shouldn't be
1092	* an issue, because they don't have any spellpaths set up.	976	* an issue, because they don't have any spellpaths set up.
1093	*/	977	*/
1094	if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST))	978	if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST])
1095	{	979	{
1096	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	980	op->failmsg ("That spell path is denied to you.");
1097	return 0;	981	return 0;
1098	}	982	}
		983
		984	object *skill = 0;
1099		985
1100	/* if it is a player casting the spell, and they are really casting it	986	/* if it is a player casting the spell, and they are really casting it
1101	* (vs it coming from a wand, scroll, or whatever else), do some	987	* (vs it coming from a wand, scroll, or whatever else), do some
1102	* checks. We let monsters do special things - eg, they	988	* checks. We let monsters do special things - eg, they
1103	* don't need the skill, bypass level checks, etc. The monster function	989	* don't need the SKILL, BYpass level checks, etc. The monster function
1104	* should take care of that.	990	* should take care of that.
1105	* Remove the wiz check here and move it further down - some spells	991	* Remove the wiz check here and move it further down - some spells
1106	* need to have the right skill pointer passed, so we need to	992	* need to have the right skill pointer passed, so we need to
1107	* at least process that code.	993	* at least process that code.
1108	*/	994	*/
1109	if (op->type == PLAYER && op == caster)	995	if (op->type == PLAYER && op == caster)
1110	{	996	{
1111	cast_level = caster_level (caster, spell_ob);
1112	if (spell_ob->skill)	997	if (spell_ob->skill)
1113	{	998	{
1114	skill = find_skill_by_name (op, spell_ob->skill);	999	skill = find_skill_by_name (op, spell_ob->skill);
		1000
1115	if (!skill)	1001	if (!skill)
1116	{	1002	{
1117	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	1003	op->failmsgf ("You need the %s skill to cast %s! "
		1004	"H<You either need to learn the skill via a skill scroll "
		1005	"or you need to wear a talisman, holy symbol or another skill tool.>",
		1006	&spell_ob->skill, &spell_ob->name);
1118	return 0;	1007	return 0;
1119	}	1008	}
1120	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1009
		1010	const char *msg = "";
		1011
		1012	int caster_level = skill->level;
		1013
		1014	if (op->path_attuned & spell_ob->path_attuned)
1121	{	1015	{
1122	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1016	caster_level += min (caster_level, ATTUNE_REPELL);
		1017	msg = " (attuned)";
		1018	}
		1019
		1020	if (op->path_repelled & spell_ob->path_attuned)
		1021	{
		1022	caster_level -= ATTUNE_REPELL; // negative is ok
		1023	msg = " (repelled)";
		1024	}
		1025
		1026	if (spell_ob->level > caster_level)
		1027	{
		1028	op->failmsgf ("You lack enough skill to cast that spell! "
		1029	"H<Your effective cast level is %d%s, but level %d is required.>",
		1030	caster_level, msg, spell_ob->level);
		1031	if (!op->is_wiz ())
1123	return 0;	1032	return 0;
1124	}	1033	}
1125	}	1034	}
		1035
1126	/* If the caster is the wiz, they don't ever fail, and don't have	1036	/* If the caster is the wiz, they don't ever fail, and don't have
1127	* to have sufficient grace/mana.	1037	* to have sufficient grace/mana.
1128	*/	1038	*/
1129	if (!QUERY_FLAG (op, FLAG_WIZ))	1039	if (!op->flag [FLAG_WIZCAST])
1130	{	1040	{
1131	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1041	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1132	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1042	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1133	{	1043	{
1134	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1044	op->failmsg ("You don't have enough mana!");
1135	return 0;	1045	return 0;
1136	}	1046	}
1137		1047
1138	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1048	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1139	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1049	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1140	{	1050	{
1141	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1051	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1142	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1052	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1143	{
1144	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1053	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1145	}
1146	else	1054	else
1147	{	1055	{
1148	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1056	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1149	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1057	op->failmsgf ("%s ignores your prayer.", godname);
1150	return 0;	1058	return 0;
1151	}	1059	}
1152	}	1060	}
1153		1061
1154	/* player/monster is trying to cast the spell. might fumble it */	1062	/* player/monster is trying to cast the spell. might fumble it */
1155	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1063	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1156	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1064	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1157	{	1065	{
1158	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1066	op->contr->play_sound (sound_find ("fumble_spell"));
1159	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1067	op->failmsg ("You fumble the prayer.");
1160
1161	if (settings.casting_time == TRUE)
1162	op->casting_time = -1;
1163		1068
1164	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1069	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1165	return 0;	1070	return 0;
1166	}	1071	}
1167	else if (spell_ob->stats.sp)	1072	else if (spell_ob->stats.sp)
1168	{	1073	{
1169	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1074	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1170		1075
1171	if (failure < 0)	1076	if (failure < 0)
1172	{	1077	{
1173	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1078	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1174	if (settings.spell_failure_effects == TRUE)	1079	if (settings.spell_failure_effects == TRUE)
1175	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1080	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1176	op->contr->shoottype = (rangetype) old_shoottype;	1081
1177	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1082	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1178	return 0;	1083	return 0;
1179	}	1084	}
1180	}	1085	}
1181	}	1086	}
1182	}	1087	}
1183		1088
1184	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1089	int mflags = op->ms ().flags ();
1185		1090
1186	/* See if we can cast a spell here. If the caster and op are	1091	/* See if we can cast a spell here. If the caster and op are
1187	* not alive, then this would mean that the mapmaker put the	1092	* not alive, then this would mean that the mapmaker put the
1188	* objects on the space - presume that they know what they are	1093	* objects on the space - presume that they know what they are
1189	* doing.	1094	* doing.
1190	*/	1095	*/
1191		1096
1192	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1097	if ((mflags & P_SAFE) && !op->flag [FLAG_WIZCAST]) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1193	{	1098	{
		1099	op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1194	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1100	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1195	return 0;	1101	return 0;
1196	}	1102	}
1197		1103
1198	if ((spell_ob->type == SPELL)	1104	if ((spell_ob->type == SPELL)
1199	&& (caster->type != POTION)	1105	&& (caster->type != POTION)
1200	&& !QUERY_FLAG (op, FLAG_WIZCAST)	1106	&& !op->flag [FLAG_WIZCAST]
1201	&& (QUERY_FLAG (caster, FLAG_ALIVE)	1107	&& (caster->flag [FLAG_ALIVE]
1202	|| QUERY_FLAG (op, FLAG_ALIVE))	1108	|| op->flag [FLAG_ALIVE])
1203	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))	1109	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))
1204	{	1110	{
1205	if (op->type != PLAYER)	1111	if (op->type != PLAYER)
1206	return 0;	1112	return 0;
1207		1113
1208	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1114	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1209	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1115	op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1210	else	1116	else if (object *item = op->contr->ranged_ob)
1211	switch (op->contr->shoottype)
1212	{	1117	{
1213	case range_magic:	1118	if (item->type == SPELL)
1214	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1119	op->failmsg ("Something blocks your spellcasting.");
1215	break;	1120	else if (item->type == SCROLL)
1216	case range_misc:	1121	op->failmsg ("Something blocks the magic of your scroll.");
1217	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1218	break;
1219	case range_golem:
1220	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1221	break;
1222	default:
1223	break;
1224	}
1225	return 0;
1226	}
1227
1228	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1229	{
1230	if (op->casting_time == -1)
1231	{ /* begin the casting */
1232	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1233	op->spell = spell_ob;
1234	/* put the stringarg into the object struct so that when the
1235	* spell is actually cast, it knows about the stringarg.
1236	* necessary for the invoke command spells.
1237	*/
1238	if (stringarg)
1239	{
1240	op->spellarg = strdup (stringarg);
1241	}
1242	else	1122	else
1243	op->spellarg = NULL;	1123	op->failmsg ("Something blocks the magic of your item.");
1244	return 0;
1245	}
1246	else if (op->casting_time != 0)
1247	{
1248	if (op->type == PLAYER)
1249	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1250	return 0;
1251	}	1124	}
1252	else	1125	else
1253	{ /* casting_time == 0 */	1126	op->failmsg ("Something blocks the spell!");
1254	op->casting_time = -1;	1127
1255	spell_ob = op->spell;	1128	return 0;
1256	stringarg = op->spellarg;
1257	}
1258	}
1259	else
1260	{	1129	}
		1130
		1131	// undo the flood protection from earlier
		1132	op->speed_left += 4 * op->speed; // ~0.5s on failure
		1133
1261	/* Take into account how long it takes to cast the spell.	1134	/* Take into account how long it takes to cast the spell.
1262	* if the player is casting it, then we use the time in	1135	* if the player is casting it, then we use the time in
1263	* the spell object. If it is a spell object, have it	1136	* the spell object. If it is a spell object, have it
1264	* take two ticks. Things that cast spells on the players	1137	* take two ticks. Things that cast spells on the players
1265	* behalf (eg, altars, and whatever else) shouldn't cost	1138	* behalf (eg, altars, and whatever else) shouldn't cost
1266	* the player any time.	1139	* the player any time.
1267	* Ignore casting time for firewalls	1140	* Ignore casting time for firewalls
		1141	*/
		1142	if (caster == op && caster->type != FIREWALL)
		1143	{
		1144	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
		1145	/* Other portions of the code may also decrement the speed of the player, so
		1146	* put a lower limit so that the player isn't stuck here too long
1268	*/	1147	*/
1269	if (caster == op && caster->type != FIREWALL)
1270	{
1271	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1272	/* Other portions of the code may also decrement the speed of the player, so
1273	* put a lower limit so that the player isn't stuck here too long
1274	*/
1275	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1148	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1276	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1149	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1277	}	1150	}
1278	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)	1151	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1279	{
1280	op->speed_left -= 2 * FABS (op->speed);	1152	op->speed_left -= 2 * op->speed;
1281	}
1282	}
1283		1153
1284	if (op->type == PLAYER && op == caster)	1154	if (op->type == PLAYER && op == caster)
1285	{	1155	{
1286	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1156	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1287	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1157	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1292	* object requires.	1162	* object requires.
1293	*/	1163	*/
1294	if (op != caster && !skill && caster->skill)	1164	if (op != caster && !skill && caster->skill)
1295	{	1165	{
1296	skill = find_skill_by_name (op, caster->skill);	1166	skill = find_skill_by_name (op, caster->skill);
		1167
1297	if (!skill)	1168	if (!skill)
1298	{	1169	{
1299	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1170	op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1300	return 0;	1171	return 0;
1301	}	1172	}
1302	change_skill (op, skill, 0); /* needed for proper exp credit */
1303	}	1173	}
		1174
		1175	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1176	return RESULT_INT (0);
		1177
		1178	// temporaroly replace chosen_skill by skill, we assume skill *could* be applied,
		1179	// at least temporarily, which might not be true due to slot restrictions, but hey
		1180	// invoke requires it basically.
		1181
		1182	object *chosen_skill = op->chosen_skill;
		1183	op->chosen_skill = skill;
1304		1184
1305	switch (spell_ob->subtype)	1185	switch (spell_ob->subtype)
1306	{	1186	{
1307	/* The order of case statements is same as the order they show up	1187	/* The order of case statements is same as the order they show up
1308	* in in spells.h.	1188	* in spells.h.
1309	*/	1189	*/
1310	case SP_RAISE_DEAD:	1190	case SP_RAISE_DEAD:
1311	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1191	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1312	break;	1192	break;
1313		1193
1314	case SP_RUNE:	1194	case SP_RUNE:
1315	success = write_rune (op, caster, spell_ob, dir, stringarg);	1195	success = write_rune (op, caster, spell_ob, dir, spellparam);
1316	break;	1196	break;
1317		1197
1318	case SP_MAKE_MARK:	1198	case SP_MAKE_MARK:
1319	success = write_mark (op, spell_ob, stringarg);	1199	success = write_mark (op, spell_ob, spellparam);
1320	break;	1200	break;
1321		1201
1322	case SP_BOLT:	1202	case SP_BOLT:
1323	success = fire_bolt (op, caster, dir, spell_ob, skill);	1203	success = fire_bolt (op, caster, dir, spell_ob, skill);
1324	break;	1204	break;
…		…
1342	case SP_SMITE:	1222	case SP_SMITE:
1343	success = cast_smite_spell (op, caster, dir, spell_ob);	1223	success = cast_smite_spell (op, caster, dir, spell_ob);
1344	break;	1224	break;
1345		1225
1346	case SP_MAGIC_MISSILE:	1226	case SP_MAGIC_MISSILE:
1347	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1227	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1348	break;	1228	break;
1349		1229
1350	case SP_SUMMON_GOLEM:	1230	case SP_SUMMON_GOLEM:
1351	success = summon_golem (op, caster, dir, spell_ob);	1231	success = summon_golem (op, caster, dir, spell_ob);
1352	old_shoottype = range_golem;
1353	break;	1232	break;
1354		1233
1355	case SP_DIMENSION_DOOR:	1234	case SP_DIMENSION_DOOR:
1356	/* dimension door needs the actual caster, because that is what is	1235	/* dimension door needs the actual caster, because that is what is
1357	* moved.	1236	* moved.
1358	*/	1237	*/
1359	success = dimension_door (op, caster, spell_ob, dir);	1238	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1360	break;	1239	break;
1361		1240
1362	case SP_MAGIC_MAPPING:	1241	case SP_MAGIC_MAPPING:
1363	if (op->type == PLAYER)	1242	if (op->type == PLAYER)
1364	{	1243	{
…		…
1397	case SP_HEALING:	1276	case SP_HEALING:
1398	success = cast_heal (op, caster, spell_ob, dir);	1277	success = cast_heal (op, caster, spell_ob, dir);
1399	break;	1278	break;
1400		1279
1401	case SP_CREATE_FOOD:	1280	case SP_CREATE_FOOD:
1402	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1281	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1403	break;	1282	break;
1404		1283
1405	case SP_EARTH_TO_DUST:	1284	case SP_EARTH_TO_DUST:
1406	success = cast_earth_to_dust (op, caster, spell_ob);	1285	success = cast_earth_to_dust (op, caster, spell_ob);
1407	break;	1286	break;
…		…
1417	case SP_CURSE:	1296	case SP_CURSE:
1418	success = cast_curse (op, caster, spell_ob, dir);	1297	success = cast_curse (op, caster, spell_ob, dir);
1419	break;	1298	break;
1420		1299
1421	case SP_SUMMON_MONSTER:	1300	case SP_SUMMON_MONSTER:
1422	success = summon_object (op, caster, spell_ob, dir, stringarg);	1301	success = summon_object (op, caster, spell_ob, dir, spellparam);
1423	break;	1302	break;
1424		1303
1425	case SP_CHARGING:	1304	case SP_CHARGING:
1426	success = recharge (op, caster, spell_ob);	1305	success = recharge (op, caster, spell_ob);
1427	break;	1306	break;
…		…
1430	#ifdef NO_POLYMORPH	1309	#ifdef NO_POLYMORPH
1431	/* Not great, but at least provide feedback so if players do have	1310	/* Not great, but at least provide feedback so if players do have
1432	* polymorph (ie, find it as a preset item or left over from before	1311	* polymorph (ie, find it as a preset item or left over from before
1433	* it was disabled), they get some feedback.	1312	* it was disabled), they get some feedback.
1434	*/	1313	*/
1435	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1314	op->failmsg ("The spell fizzles!");
1436	success = 0;	1315	success = 0;
1437	#else	1316	#else
1438	success = cast_polymorph (op, caster, spell_ob, dir);	1317	success = cast_polymorph (op, caster, spell_ob, dir);
1439	#endif	1318	#endif
1440	break;	1319	break;
…		…
1460	break;	1339	break;
1461		1340
1462	case SP_MOVING_BALL:	1341	case SP_MOVING_BALL:
1463	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1342	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1464	{	1343	{
1465	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1344	op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1466	success = 0;	1345	success = 0;
1467	}	1346	}
1468	else	1347	else
1469	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1348	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1470	break;	1349	break;
1471		1350
1472	case SP_SWARM:	1351	case SP_SWARM:
1473	success = fire_swarm (op, caster, spell_ob, dir);	1352	success = fire_swarm (op, caster, spell_ob, dir);
1474	break;	1353	break;
…		…
1481	/* in rune.c */	1360	/* in rune.c */
1482	success = dispel_rune (op, caster, spell_ob, skill, dir);	1361	success = dispel_rune (op, caster, spell_ob, skill, dir);
1483	break;	1362	break;
1484		1363
1485	case SP_CREATE_MISSILE:	1364	case SP_CREATE_MISSILE:
1486	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1365	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1487	break;	1366	break;
1488		1367
1489	case SP_CONSECRATE:	1368	case SP_CONSECRATE:
1490	success = cast_consecrate (op, caster, spell_ob);	1369	success = cast_consecrate (op, caster, spell_ob);
1491	break;	1370	break;
1492		1371
1493	case SP_ANIMATE_WEAPON:	1372	case SP_ANIMATE_WEAPON:
1494	success = animate_weapon (op, caster, spell_ob, dir);	1373	success = animate_weapon (op, caster, spell_ob, dir);
1495	old_shoottype = range_golem;
1496	break;	1374	break;
1497		1375
1498	case SP_LIGHT:	1376	case SP_LIGHT:
1499	success = cast_light (op, caster, spell_ob, dir);	1377	success = cast_light (op, caster, spell_ob, dir);
1500	break;	1378	break;
…		…
1513		1391
1514	case SP_AURA:	1392	case SP_AURA:
1515	success = create_aura (op, caster, spell_ob);	1393	success = create_aura (op, caster, spell_ob);
1516	break;	1394	break;
1517		1395
1518	case SP_TOWN_PORTAL:
1519	success = cast_create_town_portal (op, caster, spell_ob, dir);
1520	break;
1521
1522	case SP_PARTY_SPELL:	1396	case SP_PARTY_SPELL:
1523	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1397	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1524	break;	1398	break;
1525		1399
1526	default:	1400	default:
1527	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1528	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1401	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1529	}
1530
1531	/* FIXME - we need some better sound suppport */
1532	// yes, for example, augment map info with the spell effect
1533	// so clients can calculate the sounds themselves
1534	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1535
1536	/* free the spell arg */
1537	if (settings.casting_time == TRUE && stringarg)
1538	{	1402	}
1539	free (stringarg);	1403
1540	stringarg = NULL;	1404	// restore chosen_skill
1541	}	1405	op->chosen_skill = chosen_skill;
1542	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1406
1543	* to something like use_magic_item, but you really want to be able to fire	1407	op->play_sound (
1544	* it again.	1408	success
1545	*/	1409	? spell_ob->sound
1546	if (op->contr)	1410	? spell_ob->sound
1547	op->contr->shoottype = (rangetype) old_shoottype;	1411	: sound_find ("spell_success")
		1412	: sound_find ("fumble_spell")
		1413	);
1548		1414
1549	return success;	1415	return success;
1550	}	1416	}
1551		1417
1552
1553	/* This is called from time.c/process_object(). That function	1418	/* This is called from time.c/process_object(). That function
1554	* calls this for any SPELL_EFFECT type objects. This function	1419	* calls this for any SPELL_EFFECT type objects. This function
1555	* then dispatches them to the appropriate specific routines.	1420	* then dispatches them to the appropriate specific routines.
1556	*/	1421	*/
1557	void	1422	void
1558	move_spell_effect (object *op)	1423	move_spell_effect (object *op)
1559	{	1424	{
…		…
1599	move_aura (op);	1464	move_aura (op);
1600	break;	1465	break;
1601	}	1466	}
1602	}	1467	}
1603		1468
1604	/* this checks to see if something special should happen if
1605	* something runs into the object.
1606	*/
1607	void
1608	check_spell_effect (object *op)
1609	{
1610	switch (op->subtype)
1611	{
1612	case SP_BOLT:
1613	move_bolt (op);
1614	return;
1615
1616	case SP_BULLET:
1617	check_bullet (op);
1618	return;
1619	}
1620	}
1621
1622	/* This is called by move_apply. Basically, if someone	1469	/* This is called by move_apply. Basically, if someone
1623	* moves onto a spell effect and the walk_on or fly_on flags	1470	* moves onto a spell effect and the walk_on or fly_on flags
1624	* are set, this is called. This should only be called for	1471	* are set, this is called. This should only be called for
1625	* objects of the appropraite type.	1472	* objects of the appropriate type.
1626	*/	1473	*/
1627	void	1474	void
1628	apply_spell_effect (object *spell, object *victim)	1475	apply_spell_effect (object *spell, object *victim)
1629	{	1476	{
1630	switch (spell->subtype)	1477	switch (spell->subtype)
1631	{	1478	{
1632	case SP_CONE:	1479	case SP_CONE:
1633	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1480	if (victim->flag [FLAG_ALIVE] && spell->has_active_speed () && spell->attacktype)
1634	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1481	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1635	break;	1482	break;
1636		1483
1637	case SP_MAGIC_MISSILE:	1484	case SP_MAGIC_MISSILE:
1638	if (QUERY_FLAG (victim, FLAG_ALIVE))	1485	if (victim->flag [FLAG_ALIVE])
1639	{	1486	{
1640	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1487	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1641
1642	if (!spell->destroyed ())
1643	spell->destroy ();	1488	spell->destroy ();
1644	}	1489	}
1645	break;	1490	break;
1646		1491
1647	case SP_MOVING_BALL:	1492	case SP_MOVING_BALL:
1648	if (QUERY_FLAG (victim, FLAG_ALIVE))	1493	if (victim->flag [FLAG_ALIVE])
1649	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1494	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1650	else if (victim->materialname)	1495	else if (victim->material != MATERIAL_NULL)
1651	save_throw_object (victim, spell->attacktype, spell);	1496	save_throw_object (victim, spell->attacktype, spell);
		1497
1652	break;	1498	break;
1653	}	1499	}
1654	}	1500	}
		1501
		1502	/**
		1503	* This function will let a fireball explode at the position of
		1504	* the victim with a specific maximum level.
		1505	*/
		1506	void
		1507	create_exploding_ball_at (object *victim, int level)
		1508	{
		1509	object *ball = archetype::get (EXPLODING_FIREBALL);
		1510	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1511	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1512	ball->insert_at (victim);
		1513	}

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